| JACK | Benjamin | proprietor JACK'S HOTEL | cor. Main and Wayne | Butler | |
| JACK | John S | clerk | Jack's hotel | Butler | |
| JACK | Joseph | Main | Greece City | ||
| JACK | Joseph | oil dealer | Springdale | Butler | |
| JACK | Morrison | newsboy | boards corner Main and Railroad | Petrolia | |
| JACKMAN | Louis | cabinet maker | boards Washington | Butler | |
| JACKNIG | Ferd | Saxonburg | |||
| JACK'S HOTEL | corner Main and Wayne | Butler | |||
| JACKSON | C L | clerk | Main | Fairview | |
| JACKSON | John | spinner | Wood | Harmony | |
| JACKSON | John | laborer | Wayne | Butler | |
| JACKSON | S L | pastor Presbyterian Church | Main | Harmony | |
| JACKSON | William | machinist | boards European hotel | Millerstown | |
| JAMES | Byron | Main | Greece City | ||
| JAMES | T C | physician | Main | Fairview | boards Adams house |
| JAMISON | Robert | Main | Greece City | ||
| JAMISON | Shryock | Main | Greece City | ||
| JAMISON | Thomas | oil producer | Jamison farm | Petrolia | |
| JANES | David | Harrisville | |||
| JENNINGS | R | oil producer | office Jamison | Petrolia | |
| JOHNSON | C H | livery and veterinary surgeon | Kittanning | Millerstown | |
| JOHNSON | Charles | Main | Zelienople | ||
| JOHNSTON | -------- | pumper | boards Opera House hotel | Karns City | |
| JOHNSTON | B E | widow | Springdale | Butler | |
| JOHNSTON | George W | teamster | Springdale | Butler | |
| JOHNSTON | J N P | miner | Springdale | Butler | |
| JOHNSTON | J R | cashier Ralston, McQuaide & Co | Main | Karns City | |
| JOHNSTON | James | miner | Springdale | Butler | |
| JOHNSTON | John | teamster | Green | Millerstown | |
| JOHNSTON | William M | miner | Springdale | Butler | |
| JONES | C L | pumper | boards Bateman's hotel | Karns City | |
| JONES | Catharine | widow | east Penn | Butler | |
| JONES | J M | tipstave | east Cunningham | Butler | |
| JONES | Levi D S | miner | Springdale | Butler | |
| JONES | R C | of Jones & Sargent | Petrolia |